Comparison of the Contents of Trace Elements in Different Parts of Piper kadsura / 中国药房

OBJECTIVE:To compare the contents of trace elements in different parts of Piper kadsura.METHODS: Trace elements in leaf, micro-stem and macro-stem of P. kadsura were determined with inductive coupled plasma emission spectrometer. The contents of trace elements in the different parts were analyzed and compared. RESULTS: The content of Mg in the leaf was the highest among all trace elements, followed by Fe,Mn,Zn,Ti,Sr,Ba,Pb,B,Cu,Ni,Cr,Cd.The content of V in the macro-stem was higher than in the other parts. The contents of trace elements in micro-stem were all lower than in the other parts except of Sn. CONCLUSION: The leaf and stem of P. kadsura maybe has some complementary pharmacological function.